Mediawiki>Mr. Stradivarius |
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| − | -- This module implements [[Template:Ns has subpages]].
| + | {{<includeonly>safesubst:</includeonly>#invoke:Ns has subpages|main}}<noinclude> |
| − | -- While the template is fairly simple, this information is made available to
| + | {{documentation}} |
| − | -- Lua directly, so using a module means that we don't have to update the
| + | <!-- Categories go on the /doc subpage and interwikis go on Wikidata. --> |
| − | -- template as new namespaces are added.
| + | </noinclude> |
| − | | |
| − | local p = {}
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| − | | |
| − | function p._main(ns, frame)
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| − | -- Get the current namespace if we were not passed one.
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| − | if not ns then
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| − | ns = mw.title.getCurrentTitle().namespace
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| − | end
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| − | | |
| − | -- Look up the namespace table from mw.site.namespaces. This should work
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| − | -- for a majority of cases.
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| − | local nsTable = mw.site.namespaces[ns]
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| − | | |
| − | -- Try using string matching to get the namespace from page names.
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| − | -- Do a quick and dirty bad title check to try and make sure we do the same
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| − | -- thing as {{NAMESPACE}} in most cases.
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| − | if not nsTable and type(ns) == 'string' and not ns:find('[<>|%[%]{}]') then
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| − | local nsStripped = ns:gsub('^[_%s]*:', '')
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| − | nsStripped = nsStripped:gsub(':.*$', '')
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| − | nsTable = mw.site.namespaces[nsStripped]
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| − | end
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| − | | |
| − | -- If we still have no match then try the {{NAMESPACE}} parser function,
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| − | -- which should catch the remainder of cases. Don't use a mw.title object,
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| − | -- as this would increment the expensive function count for each new page
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| − | -- tested.
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| − | if not nsTable then
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| − | frame = frame or mw.getCurrentFrame()
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| − | local nsProcessed = frame:callParserFunction('NAMESPACE', ns)
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| − | nsTable = nsProcessed and mw.site.namespaces[nsProcessed]
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| − | end
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| − |
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| − | return nsTable and nsTable.hasSubpages
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| − | end
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| − | | |
| − | function p.main(frame)
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| − | local ns = frame:getParent().args[1]
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| − | if ns then
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| − | ns = ns:match('^%s*(.-)%s*$') -- trim whitespace
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| − | ns = tonumber(ns) or ns
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| − | end
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| − | local hasSubpages = p._main(ns, frame)
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| − | return hasSubpages and 'yes' or ''
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| − | end
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| − | | |
| − | return p
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Module documentation